2017 was the year when curiosity about the Bitcoin hit an all-time high, thanks largely to a dramatic surge in its value. Notwithstanding recent fluctuations in its price, interest remains strong in the original crypto currency, which was launched in 2009. One question everybody has is what is the process of “mining” that creates new Bit coins and how does the block chain technology underpinning the crypto currency really work. Here’s how.